Nissan Pick-ups and Pathfinder 1970-1988

Oil Cooler

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REMOVAL & INSTALLATION



SD22 and SD25 Engines

See Figure 1

  1. Drain the coolant until it is below the level of the oil cooler.
  2.  


CAUTION
When draining the coolant, keep in mind that cats and dogs are attracted by the ethylene glycol antifreeze, and are quite likely to drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain the coolant into a sealable container. Coolant should be reused unless it is contaminated or several years old.

  1. Remove the water hose from the cooler.
  2.  
  3. Remove the mounting bolts and lift the cooler from the block.
  4.  

Have a drip pan ready, since some oil will drain out.

  1. Install the oil cooler and tighten the bolts to 7-9 ft. lbs. (10-12 Nm). Use new O-rings and rubber gaskets.
  2.  



Click image to see an enlarged view

Fig. Fig. 1: Oil cooler-SD22 and SD25 engines

 
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